VIEWSONIC ViewBoard 55" UHD 4K Interactive Display - Manual (Page 126)

126
dŽƵĐŚ&ƵŶĐƟŽŶ
Problem or Issue WŽƐƐŝďůĞ^ŽůƵƟŽŶƐ
dŽƵĐŚĨƵŶĐƟŽŶĚŽĞƐ
not work
1. Check that drivers are installed correctly.
2. Reinstall driver(s).
3. Check setup and align it.
4. Check whether the touch pen is working properly.
Video Not Working Properly
Problem or Issue WŽƐƐŝďůĞ^ŽůƵƟŽŶƐ
No picture/ No sound 1. Check the Power status.
2. Check the signal cable.
3. Check that the internal PC is installed correctly.
Picture is unclear or
cuts in and out 1. Check the signal cable.
2. ŚĞĐŬŝĨŽƚŚĞƌĞůĞĐƚƌŽŶŝĐƐĂƌĞŝŶƚĞƌƌƵƉƟŶŐƚŚĞƐŝŐŶĂů͘
Poor picture 1. ĚũƵƐƚĐŚƌŽŵĂ͕ďƌŝŐŚƚŶĞƐƐ͕ĂŶĚĐŽŶƚƌĂƐƚƐĞƫŶŐƐŝŶ
the menu.
2. Check the signal cable.
Audio Not Working Properly
Problem or Issue WŽƐƐŝďůĞ^ŽůƵƟŽŶƐ
No sound 1. WƌĞƐƐƚŚĞDƵƚĞͬhŶŵƵƚĞďƵƩŽŶ͘
2. Adjust the volume.
3. Check the audio cable.
One speaker only 1. Adjust the sound balance in the menu.
2. ŚĞĐŬƚŚĞƐŽƵŶĚĐŽŶƚƌŽůƉĂŶĞůƐĞƫŶŐƐŽĨƚŚĞ
computer.
3. Check the audio cable.
EKd͗ഩ SPDIF and Audio Out only work in Embd
Player, HDMI, and DisplayPort (DP)
channels.